com.netflix.astyanax.Execution Maven / Gradle / Ivy
/*******************************************************************************
* Copyright 2011 Netflix
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package com.netflix.astyanax;
import java.util.concurrent.Callable;
import com.netflix.astyanax.connectionpool.OperationResult;
import com.netflix.astyanax.connectionpool.exceptions.ConnectionException;
import com.google.common.util.concurrent.ListenableFuture;
/**
* Interface for an operation that can be executed on the cluster.
*
* @param - The return type for the concrete operation
*
* @author elandau
*/
public interface Execution {
/**
* Block while executing the operations
*
* @return Result object that wraps the actual result and provides information about
* how the operation was executed.
* @throws ConnectionException
*/
OperationResult execute() throws ConnectionException;
/**
* Return a future to the operation. The operation will most likely be
* executed in a separate thread where both the connection pool logic as
* well as the actual operation will be executed.
*
* @return A listenable future
* @throws ConnectionException
*/
ListenableFuture> executeAsync() throws ConnectionException;
}